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249794312 = 23216114449
BaseRepresentation
bin11101110001110…
…00111100001000
3122102000212101012
432320320330020
51002421404222
640441543052
76122134205
oct1670707410
9572025335
10249794312
11119003189
126b7a4a88
133c99cbb1
1425264cac
1516de31e2
hexee38f08

249794312 has 16 divisors (see below), whose sum is σ = 468613500. Its totient is φ = 124830720.

The previous prime is 249794257. The next prime is 249794351. The reversal of 249794312 is 213497942.

249794312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212168356 + 37625956 = 14566^2 + 6134^2 .

It is a super-3 number, since 3×2497943123 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249794312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10064 + ... + 24512.

Almost surely, 2249794312 is an apocalyptic number.

It is an amenable number.

249794312 is a deficient number, since it is larger than the sum of its proper divisors (218819188).

249794312 is a wasteful number, since it uses less digits than its factorization.

249794312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16616 (or 16612 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 249794312 is about 15804.8825367353. The cubic root of 249794312 is about 629.7877104503.

The spelling of 249794312 in words is "two hundred forty-nine million, seven hundred ninety-four thousand, three hundred twelve".

Divisors: 1 2 4 8 2161 4322 8644 14449 17288 28898 57796 115592 31224289 62448578 124897156 249794312